Hiller UH-12D N62431
4 July 1990 · Walla Walla, Washington, United States · No injuries
Summary
On 4 July 1990 at about 14:15 local time, a Hiller UH-12D registered N62431 was involved in an accident near Walla Walla, Washington, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 14:15
- Classification
- Accident
- Location
- Walla Walla, Washington, United States
- Coordinates
- 46.1095, -118.2994
- Aircraft
- Hiller UH-12D
- Registration
- N62431
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 137: Agricultural
- Purpose of flight
- Aerial Application
- Phase of flight
- Not recorded
- Route
- Walla Walla → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA90LA121
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE HELICOPTER WAS SUBSTANTIALLY DAMAGED DURING A FORCED LANDING, WHEN THE SKIDS CAUGHT IN PEA VINES OF THE CROP THE PILOT WAS SPRAYING. HE STATED THAT THE ENGINE SUSTAINED A SUDDEN POWER LOSS. DURING A POST-ACCIDENT CHECK, THE ENGINE STARTED NORMALLY AND RAN TO 3200 RPM.
Quoted verbatim from the NTSB record.
Other Hiller UH-12D accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 31 Mar 1990 | Hiller UH-12D | Soddy-Daisy, Tennessee, United States | - | Fatal | 1 |
| 2 Jul 1991 | Hiller UH-12D | Savoy, Illinois, United States | Board of Trustees-U. of I. | No injuries | - |
| 23 Oct 1989 | Hiller UH-12D | Mentor, Ohio, United States | - | Serious injuries | - |
| 14 Apr 1989 | Hiller UH-12D | Bolinas, California, United States | Mountain Air Helicopter | No injuries | - |
| 9 Jul 1988 | Hiller UH-12D | Winterhaven, California, United States | - | Minor injuries | - |
| 4 Apr 1988 | Hiller UH-12D | Bakersfield, California, United States | West Farm Air Inc. | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 9 Jan 1990 | Cessna 177B | Friday Harbor, Washington, United States | - | No injuries | - |
| 4 Feb 1990 | Bell 206B | Winthrop, Washington, United States | - | No injuries | - |
| 1 Mar 1990 | Bell BH-47G3B2 | Des Moines, Washington, United States | Richard H. Butz | Minor injuries | - |
| 25 Feb 1990 | Cessna 140 | Vancouver, Washington, United States | Bogar, Floyd | No injuries | - |
| 12 Mar 1990 | Cessna 150J | Graham, Washington, United States | - | No injuries | - |
| 12 Mar 1990 | Bell 206 | Cougar, Washington, United States | Bluebird Helicopter | No injuries | - |